I found this fascinating quote today:
Do you know what this new iPhone can do? How is it different than the iPhone 3.0 upgrade? And most of all, should you head to the nearest Apple store and get in line to grab the company’s newest gadget? We explore the answers to these questions and more in a short but comprehensive guide to the iPhone 3G S launch.iPhone 3G S Arrives Today: Here Are the Details, Jun 2009
You should read the whole article.